The remote server returned an error: (400) Bad Request.The remote server returned an error: (400) Bad Request. 2025 Compare Climate & Weather: Lewes, DE vs Chatham, MA

2025 Compare Climate & Weather:
Lewes, DE vs Chatham, MA

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Highlights

On average, there are 201 sunny days per year in Chatham. Lewes averages 206 sunny days per year. The US average is 205 sunny days.

Chatham, Massachusetts gets 47.6 inches of rain, on average, per year. Lewes, Delaware gets 45.9 inches of rain, on average, per year. The US average is 38.1 inches of rain per year.

Chatham averages 23.2 inches of snow per year. Lewes averages 12.3 inches of snow per year. The US average is 27.8 inches of snow per year.

Weather Highlights

Chatham, Massachusetts
Summer High: the July high is around 77.7 degrees
Winter Low: the January low is 23.4
Rain: averages 47.6 inches of rain a year
Snow: averages 23.2 inches of snow a year

Lewes, Delaware
Summer High: the July high is around 86.8 degrees
Winter Low: the January low is 27.4
Rain: averages 45.9 inches of rain a year
Snow: averages 12.3 inches of snow a year

BestPlaces Comfort Index
Chatham

The annual BestPlaces Comfort Index for Chatham is 7.1 (10=best), which means it is one of the most pleasant places in Massachusetts.

7.1 / 10
June, September and August are the most pleasant months in Chatham, while January and February are the least comfortable months.

Lewes

The annual BestPlaces Comfort Index for Lewes is 7.4 (10=best), which means it is one of the most pleasant places in Delaware.

7.4 / 10
September, May and June are the most pleasant months in Lewes, while January and February are the least comfortable months.

Average Monthly High / Low (°F)
MonthLewes, DEChatham, MA
January44° / 27°38° / 23°
February47° / 29°40° / 25°
March55° / 35°45° / 30°
April65° / 44°52° / 39°
May74° / 53°62° / 48°
June83° / 63°71° / 57°
July87° / 68°78° / 63°
August85° / 67°77° / 62°
September79° / 60°71° / 56°
October69° / 48°61° / 46°
November59° / 40°52° / 38°
December49° / 31°43° / 29°
Hot, Freezing, Rainy, Snowy Days: Lewes / Chatham
MonthHot DaysFreezing DaysRainy DaysSnowy Days
January0 / 021 / 2510 / 102 / 3
February0 / 018 / 239 / 92 / 3
March0 / 011 / 1711 / 101 / 2
April0 / 02 / 411 / 100 / 0
May1 / 00 / 011 / 100 / 0
June5 / 00 / 011 / 80 / 0
July10 / 10 / 011 / 70 / 0
August6 / 00 / 010 / 70 / 0
September1 / 00 / 010 / 80 / 0
October0 / 01 / 110 / 90 / 0
November0 / 07 / 710 / 90 / 0
December0 / 017 / 2010 / 111 / 2
July is the hottest month for Lewes with an average high temperature of 86.8°, which ranks it as warmer than most places in Delaware. In Lewes, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Lewes are September, May and June.

July is the hottest month for Chatham with an average high temperature of 77.7°, which ranks it as one of the coolest places in Massachusetts. In Chatham, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Chatham are July, August and June.
January has the coldest nighttime temperatures for Lewes with an average of 27.4°. This is warmer than most places in Delaware.

January has the coldest nighttime temperatures for Chatham with an average of 23.4°. This is one of the warmest places in Massachusetts.

In Lewes, there are 22.8 days annually when the high temperature is over 90°, which is hotter than most places in Delaware.

In Chatham, there are 0.8 days annually when the high temperature is over 90°, which is one of the coolest places in Massachusetts.

In Lewes, there are 76.9 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Delaware.

In Chatham, there are 96.7 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Massachusetts.

In Lewes, there are 0.2 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Delaware.

In Chatham, there are 0.2 days annually when the nighttime low temperature falls below zero°, which is one of the warmest places in Massachusetts.

August is the wettest month in Lewes with 4.5 inches of rain, and the driest month is February with 3.0 inches. The wettest season is Autumn with 28% of yearly precipitation and 22% occurs in Spring, which is the driest season. The annual rainfall of 45.9 inches in Lewes means that it is one of the wettest places in Delaware.


March is the wettest month in Chatham with 4.8 inches of rain, and the driest month is July with 3.3 inches. The wettest season is Summer with 27% of yearly precipitation and 22% occurs in Autumn, which is the driest season. The annual rainfall of 47.6 inches in Chatham means that it is drier than most places in Massachusetts.

May is the rainiest month in Lewes with 11.1 days of rain, and February is the driest month with only 9.4 rainy days. There are 122.7 rainy days annually in Lewes, which is one of the rainiest places in Delaware. The rainiest season is Summer when it rains 27% of the time and the driest is Spring with only a 24% chance of a rainy day.

December is the rainiest month in Chatham with 11.1 days of rain, and July is the driest month with only 7.2 rainy days. There are 108.5 rainy days annually in Chatham, which is less rainy than most places in Massachusetts. The rainiest season is Spring when it rains 28% of the time and the driest is Autumn with only a 21% chance of a rainy day.

An annual snowfall of 12.3 inches in Lewes means that it is less snowy than most places in Delaware.

An annual snowfall of 23.2 inches in Chatham means that it is one of the least snowy places in Massachusetts.
February is the snowiest month in Lewes with 5.5 inches of snow, and 4 months of the year have significant snowfall.

February is the snowiest month in Chatham with 8.7 inches of snow, and 5 months of the year have significant snowfall.

DID YOU KNOW?

Many people confuse Weather and Climate, but they are different. Weather refers to the conditions of the atmosphere over a short period of time, while Climate refers to the conditions of the atmosphere over a long period of time.

Weather, more specifically, refers to how the atmosphere behaves and its effects on life and human activities. Most people think of Weather in terms of what can be observed: temperature, humidity, precipitation, and cloudy/sunny conditions. Weather conditions constantly change on a minute-to-minute basis.

Climate is a record of the average weather conditions for a given place over a long period of time, often referred to as Climate Normals. A 30-year period of record is a common requirement to be considered a Climate Normal.

Reviews for Lewes    2 Reviews
Jill · Sherman Oaks, CA
re:
Over 16 years ago

Hi. I'd like to know if you still feel the same way about living in Broomfield. I went there this past July to check it out (along with Lafayette, Boulder (can't  More

   |    Reply
NC For Me · Apex, NC
re:
Over 16 years ago

Apex is perfect for what you are looking for. It's close enough to Raleigh, Durham, Chapel Hill to find a job and Cary the next town over, is a little more expensive but  More

   |    Reply

Start Your Review of Lewes

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Reviews for Chatham    2 Reviews
Jill · Sherman Oaks, CA
re:
Over 16 years ago

Hi. I'd like to know if you still feel the same way about living in Broomfield. I went there this past July to check it out (along with Lafayette, Boulder (can't  More

   |    Reply
NC For Me · Apex, NC
re:
Over 16 years ago

Apex is perfect for what you are looking for. It's close enough to Raleigh, Durham, Chapel Hill to find a job and Cary the next town over, is a little more expensive but  More

   |    Reply

Start Your Review of Chatham

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